Cast your votes for the leaders, artists, innovators and icons who you think are the most influential people in the world. Though official voting for inclusion on the TIME 100 list has now closed, with Mir-Hossein Mousavi having won the honor, users can continue to vote for their favorites until the list is revealed on Thursday, April 29th

Tiger Woods

"We are fortunate to live in the Tiger Woods era," Roger Federer wrote in TIME last year, because "Tiger is a model for how athletes should conduct themselves." Well, not so much anymore. But nobody can argue that he changed golf. Now that he's returning to the game, can he change it all over again?